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EN 1.4482 Stainless Steel vs. SAE-AISI 5140 Steel

Both EN 1.4482 stainless steel and SAE-AISI 5140 steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 29
Fatigue Strength, MPa 420 to 450
220 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510 to 530
360 to 600
Tensile Strength: Ultimate (UTS), MPa 770 to 800
560 to 970
Tensile Strength: Yield (Proof), MPa 530 to 570
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
220 to 1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
20 to 34
Strength to Weight: Bending, points 24 to 25
19 to 28
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 21 to 22
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.43
Chromium (Cr), % 19.5 to 21.5
0.7 to 0.9
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.1 to 74.9
97.3 to 98.1
Manganese (Mn), % 4.0 to 6.0
0.7 to 0.9
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 1.5 to 3.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040

Comparable Variants